2402191 has 4 divisors (see below), whose sum is σ = 2620584. Its totient is φ = 2183800.

The previous prime is 2402177. The next prime is 2402201. The reversal of 2402191 is 1912042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2402191 - 2¹¹ = 2400143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109180 + ... + 109201.

It is an arithmetic number, because the mean of its divisors is an integer number (655146).

2^2402191 is an apocalyptic number.

2402191 is a deficient number, since it is larger than the sum of its proper divisors (218393).

2402191 is a wasteful number, since it uses less digits than its factorization.

2402191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218392.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2402191 is about 1549.9003193754. The cubic root of 2402191 is about 133.9273200577.

The spelling of 2402191 in words is "two million, four hundred two thousand, one hundred ninety-one".